25633825 has 24 divisors (see below), whose sum is σ = 37586880. Its totient is φ = 16968000.

The previous prime is 25633823. The next prime is 25633843. The reversal of 25633825 is 52833652.

It is a happy number.

It is not a de Polignac number, because 25633825 - 2¹ = 25633823 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25633823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2550 + ... + 7600.

It is an arithmetic number, because the mean of its divisors is an integer number (1566120).

Almost surely, 2^25633825 is an apocalyptic number.

25633825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25633825 is a deficient number, since it is larger than the sum of its proper divisors (11953055).

25633825 is a wasteful number, since it uses less digits than its factorization.

25633825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097 (or 5092 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 25633825 is about 5062.9857791623. The cubic root of 25633825 is about 294.8522673107.

The spelling of 25633825 in words is "twenty-five million, six hundred thirty-three thousand, eight hundred twenty-five".